| 摘要 |
A data collection system comprising one or more portable computer devices (2 ), forming mobile data collection means, each including wireless transceiver means (10) and a data-logging program, a nd a fixed data collection system comprising a cen- tral computer (12) which is connected to at least one fixed wireless transceiver means (14) for communication with the mobile transceivers, the central computer having a data collation program for manipulating data transmitted from the individual collec- tion means.
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